VietNamNet Bridge – Hoan Kiem Lake may be dredged entirely in January 2010. Vietnam has engaged German technology and trained staff to implement this task, said the director of the Hanoi Department of Science and Technology Le Xuan Rao.

According to Rao, the experimental dredging project of Hoan Kiem Lake in late November is very good. There is nearly no change in physiochemical indicators in the lake after the project‘s completion. Under this project, around 1000sq.m of the lake was dredged.

If the whole lake is dredged, it will be divided into small pieces. The mud soaking process will be conducted gently and carefully to ensure the unchanging ecological environment of the lake and the safety of the old giant turtle in the lake.

The dredging project is chaired by Assistant Professor Ha Dinh Duc, a prestigious researcher of Hanoi. This project is implemented based on an agreement between the Vietnamese Ministry of Science and Technology and the German Ministry of Education and Research.

Hanoi - Hanoi officials said Thursday that they are to invest in a German sludge-removal system to clean up the city's famous Hoan Kiem turtle lake.
The city had been running a pilot project since November.
'After the pilot run, the dredged area became deeper and cleaner while doing no harm to turtles,' said Professor Ha Dinh Duc, the project's chairman. 'That is why we decided to buy this technology.'
Hanoi's Hoan Kiem Lake at the heart of the old city is stagnant, thick with green algae, choked with sludge and full of fish and crabs. It is also a historical treasure and the heart of Vietnamese nationalism.
But most importantly, the lake is home to Vietnam's most famous turtle. The turtle might be the last of a unique species, Rafetus leloii, or belong to another critically endangered species, Rafetus swinhoei, of which only three others are known to exist in Vietnam and China.
Crowds gather at the lakeside when the turtle is spotted, hoping to catch a glimpse of its head for good luck.
Le Xuan Rao, director of the municipal Department of Science and Technology, said negotiations were being held on acquiring the technology.
Vietnam plans to ask German experts to help train staff on the use of the SediTurtle, a robotic sediment collector, to dredge the lake's 114,000 square metres in January 2010, Duc said.
He did not disclose the price, but the state-run Tuoi Tre newspaper on Wednesday quoted Rao as saying it might cost more than 430,000 dollars.
The pilot project has been financed by Germany's Ministry of Research and Education in collaboration with Vietnam's Ministry of Science and Technology.

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